1---Sufficient sets for making buttons: you will be provided with 50/100/150 sets blank button making supplies, each set includes 1 metal shell, 1 metal back cover and 1 transparent film, which these sufficient and practical round button making parts, you are able to make 100 pieces buttons or badges with your own style. 2---Personalize your own buttons: metal button pin badge kits are blank on the surface for you to personalize and DIY, just choose your favorite picture, photo, sticker or portrait and cut it down into a fitting size, then cover it with the metal button cover, the picture and the plastic film are sequentially pressed on the badge machine mould, after the press is formed, put the back cover on the mould and press together tightly to get done. 3---Nice material: both round button shell and back cover are made of tinplate, sturdy and firm, rustproof and hard to break or deform; The transparent film is obtained from PVC, which can provide a protection for the button surface and make it smooth; These accessories are well matched to facilitate your button making process, allow you to wear the finished buttons for a long time to display your personal charms. 4---Prepare gifts: after finishing your button pin badges with interesting patterns, you can prepare them as creative and menaingful gifts and send to friends, classmates, family members, lover and so on, they will be happy to receive them on occasions like birthday, holiday, travel and graduation ceremony, they will be amazed by your talent and creativity to make such lovely items. Material: Metal Size: 32mm (1pcs) Weight: 3g(1pcs)